把焊接变形降到最小的焊接方法是()。
A.气体保护焊
B.电弧焊
C.埋弧自动焊
D.气焊
参考答案：A
He is my favorite film star. I regard him _____ other stars.
A．more superior to
B．more superior than
C．superior to
D．superior than
建筑工程施工现场的消防安全由（）负责
